:root {
  --background-color: #2c3e50;
  --border-color: #7591ad;
  --nav-background-color: #34495e;
  --text-color: #34495e;
}

* {
  margin: 0;
  padding: 0;
}

body {
  width: 100vw;
  height: 100vh;
  background-color: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: Shijie;
}

@font-face {
  font-family: "Shijie";
  src: url("../intro3S/汉仪正圆-45S.ttf");
}

.box{
  position: relative;
  width: 300px;
  padding: 24px;
  background-color:var(--background-color);
  color: #fff;
}

h1{
  font-size: 35px;
  line-height: 42px;
  text-align: center;
}

h2{
  font-size: 24px;
  text-align: center;
  padding-top: 8px;
}

p{
  font-size: 18px;
  line-height: 28px;
  padding-top: 20px;
}

.box::before,.box::after{
  position: absolute;
  content: "";
  left: -2px;
  top:-2px;
  right: -2px;
  bottom: -2px;
  /* background-color: #fff; */
  background: linear-gradient(to top right,#B92B27, var(--background-color), #1565c0);
  z-index: -1;
}

.box::after{
  filter: blur(20px);
}
